Vertically adjustable bridge for connection with ships

Details Vertically adjustable bridge for connection with ships Vertically adjustable bridge for connection with ships

1979-05-30

1981-10-27

Byers, Jr., Nile C.

Bridges

Gangway, ramp, or dock leveler

Attached

14 42, E01D 100

Patent

active

042965160

ABSTRACT:
A vertically adjustable bridge for connection with ships, particularly ships with their own flaps such as car ferries and the like, comprises a ramp (6) including girders and the like and has an upper surface suitable as bedding for transport. At its land side the bridge is rotatably connected to a bearing arrangement (3, 4) so that the end (9) of the bridge which in use faces the ship can be turned to a desired height within a suitable adjustment area and temporarily locked in this height position by means of supporting legs (10). The bridge comprises one or more bridge units, several bridge units being mountable side by side adjacent one another, and each bridge unit has straight sides parallel to one another. A raising and lowering arrangement (11) including the supporting legs (10) with fittings is located under the ramp (6) of the or each unit at suitable distances from both ends of the ramp and from its side edges in such a way that a plurality of identical units which are individually manoeuvrable can be adjusted, when necessary, at the same height close to one another to effectively widen the bridge.

REFERENCES:
patent: 963918 (1910-07-01), Miller
patent: 1358951 (1920-11-01), Helmich
patent: 2560064 (1951-07-01), Astry
patent: 2639450 (1953-05-01), Ramer
patent: 2644971 (1953-07-01), Rowe
patent: 2881458 (1959-04-01), Rodgers
patent: 2889565 (1959-06-01), Harty
patent: 3345665 (1967-10-01), Anderson
patent: 3409923 (1968-11-01), Walker
patent: 3570032 (1971-03-01), Allen
patent: 4081874 (1978-04-01), Artzberger

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